- 1not likely to be true or to happen synonym unlikely an improbable story It all sounded highly improbable. improbable that… It seems improbable that the current situation will continue. opposite probable
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
- 2seeming strange because it is not what you would expect synonym unexpected Her hair was an improbable shade of yellow.
NAmE//ɪmˌprɑbəˈbɪlət̮i//
noun [uncountable, countable] the improbability of finding them alive statistical improbability NAmE//ɪmˈprɑbəbli//
adverb He claimed, improbably, that he had never been there. an improbably happy endSee improbable in the Oxford Advanced Learner's DictionaryCheck pronunciation: improbable